The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Gallonprene® GP520-4004/4504

Gallonprene® GP520-4004/4504 is a white colored, heavy metal free styrene ethylene butylene styrene copolymer [SEBS] grade. Possesses vibration dampening properties and offers good U.V. resistance. Is a general purpose filled grade and can be processed by injection molding. Used in soft touch over-molded surfaces, grips and furniture feet. Gallonprene® GP520-4004/4504 is made under good manufacturing practice guidelines for the plastic food packaging supply chain as published by the American SPI in Jan 2012. Complies with FDA§177.2600 for use of rubber in repeated contact with dry & aqueous food (provision e) and RoHS regulations.
Product Type
SBC or TPE-S (Styrenic Block Copolymer) > SEBS
Product Status

Gallonprene® GP520-4004/4504 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
(Shore A)
ASTM D 2240
Tensile Strength
3.0 MPa
( )
Tensile Elongation
> 500 %
(At Break)

Gallonprene® GP520-4004/4504 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Shrinkage, Molding Direction (MD)
5.0 %
Mold Shrinkage, Perpendicular to Molding Direction (PMD)
0.0 %
Cylinder Zone 1 Temp.
175 - 185 °C
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